H Home Background Color: He Li Be Fluorine Main Page Black White Gray B C N O F Ne Na Mg Fluorine Pictures Page Al Si P S Cl Ar K Ca Fluorine Technical Data Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

Isotopes of Fluorine (click to see decay chain): 14F  15F  16F  17F  18F  19F  20F  21F  22F  23F  24F  25F  26F  27F  28F  29F  30F  31F

21F     Half-life Boson, 9p 12n 4.158 s Spin 5/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 5.68423MeV 21Ne Show Ultimate Decay Products Atomic Weight 20.999948951 Abundance None Mass Excess -0.047551MeV Binding Energy 7.73829MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Isotope Symbols. Show only decay products of this isotope.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..